5132539391 has 4 divisors (see below), whose sum is σ = 5865759312. Its totient is φ = 4399319472.

The previous prime is 5132539361. The next prime is 5132539427. The reversal of 5132539391 is 1939352315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5132539391 - 2⁶ = 5132539327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132539301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366609950 + ... + 366609963.

It is an arithmetic number, because the mean of its divisors is an integer number (1466439828).

Almost surely, 2^5132539391 is an apocalyptic number.

5132539391 is a deficient number, since it is larger than the sum of its proper divisors (733219921).

5132539391 is an equidigital number, since it uses as much as digits as its factorization.

5132539391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733219920.

The product of its digits is 109350, while the sum is 41.

The square root of 5132539391 is about 71641.7433553930. The cubic root of 5132539391 is about 1724.9536517408.

The spelling of 5132539391 in words is "five billion, one hundred thirty-two million, five hundred thirty-nine thousand, three hundred ninety-one".